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SUSE:SLE-12-SP4:GA
xen.21123
VMX-migrate-with-SSBD.patch
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File VMX-migrate-with-SSBD.patch of Package xen.21123
References: bsc#1116380 VMX: allow migration of guests with SSBD enabled The backport of cd53023df9 ("x86/msr: Virtualise MSR_SPEC_CTRL.SSBD for guests to use") did not mirror the PV side change into the HVM (VMX- specific) code path. Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/xen/arch/x86/hvm/vmx/vmx.c +++ b/xen/arch/x86/hvm/vmx/vmx.c @@ -905,7 +905,8 @@ static int vmx_load_msr(struct vcpu *v, * ignored) when STIBP isn't enumerated in hardware. */ else if ( ctxt->msr[i].val & - ~(SPEC_CTRL_IBRS | SPEC_CTRL_STIBP) ) + ~(SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | + (boot_cpu_has(X86_FEATURE_SSBD) ? SPEC_CTRL_SSBD : 0)) ) err = -ENXIO; else v->arch.spec_ctrl = ctxt->msr[i].val;
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